const void **data, const struct sr_dev_inst *sdi);
SR_API int sr_config_set(const struct sr_dev_inst *sdi, int key,
const void *value);
-SR_API int sr_config_list(struct sr_dev_driver *driver, int key,
+SR_API int sr_config_list(const struct sr_dev_driver *driver, int key,
const void **data, const struct sr_dev_inst *sdi);
SR_API const struct sr_config_info *sr_config_info_get(int key);
SR_API const struct sr_config_info *sr_config_info_name_get(const char *optname);